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Finding the Fourth Proportional to 7,333.62, 10,120.59 and 4,190.82

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Solution

The fourth proportional to 7,333.62, 10,120.59 and 4,190.82 is: 5,783.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,333.62 : 10,120.59 = 4,190.82 : x
  2. Step 2: Convert to fraction form
    7,333.62/10,120.59 = 4,190.82/x
  3. Step 3: Cross multiply
    7,333.62x = 10,120.59 × 4,190.82
  4. Step 4: Simplify right side
    7,333.62x = 42,413,570.98
  5. Step 5: Solve for x
    x = 42,413,570.98/7,333.62
  6. Step 6: Final answer
    x = 5,783.44

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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.